#define LED_1_PIN 13
#define LED_2_PIN 12
#define LED_3_PIN 11
#define LED_4_PIN 10
#define LED_5_PIN 9
#define LED_6_PIN 8

#define BUTTON_PIN 5

class Led {
  private:
    byte pin;
  public:
    Led(byte pin) {
      this->pin = pin;
      init();
    }

    void init() {
      pinMode(pin, OUTPUT);
      poweroff();
    }

    void poweron() {
      digitalWrite(pin, HIGH);
    }

    void poweroff() {
      digitalWrite(pin, LOW);
    }
};

class Button {
  private:
    byte pin;
    byte state;
    byte lastReading;
    unsigned long lastDebounceTime = 0;
    unsigned long debounceDelay = 50;
  public:
    Button(byte pin) {
      this->pin = pin;
      lastReading = LOW;
      init();
    }

    void init() {
      pinMode(pin, INPUT);
      update();
    }

    void update() {

      byte newReading = digitalRead(pin);
      
      if (newReading != lastReading) {
        lastDebounceTime = millis();
      }

      if (millis() - lastDebounceTime > debounceDelay) {
        state = newReading;
      }

      lastReading = newReading;
    }

    byte getState() {
      update();
      return state;
    }

    bool isPressed() {
      return (getState() == HIGH);
    }
};

class LedController {
private:
    Led led1;
    Led led2;
    Led led3;
    Led led4;
    Led led5;
    Led led6;
    Button& button;
public:
    LedController(Led l1, Led l2, Led l3, Led l4, Led l5, Led l6, Button btn) :
        led1(l1), led2(l2), led3(l3), led4(l4), led5(l5), led6(l6), button(btn) {
    }

    void upstate() {
       
            led1.poweron(); 
            led3.poweron(); 
            led5.poweron();
            delay(300);
            led1.poweroff(); 
            led3.poweroff(); 
            led5.poweroff();
            delay(300);
            led2.poweron(); 
            led4.poweron(); 
            led6.poweron();
            delay(300);
            led2.poweroff(); 
            led4.poweroff(); 
            led6.poweroff();
            delay(300);
            led1.poweron(); 
            led3.poweron(); 
            led5.poweron();
            delay(300);
            led1.poweroff(); 
            led3.poweroff(); 
            led5.poweroff();
            delay(300);
            led2.poweron(); 
            led4.poweron(); 
            led6.poweron();
            delay(300);
            led2.poweroff(); 
            led4.poweroff(); 
            led6.poweroff();
            delay(300);
            
      }
      void downstate(){
            led1.poweroff();
            led2.poweroff();
            led3.poweroff();
            led4.poweroff();
            led5.poweroff();
            led6.poweroff();
      }
};

Led led1(LED_1_PIN);
Led led2(LED_2_PIN);
Led led3(LED_3_PIN);
Led led4(LED_4_PIN);
Led led5(LED_5_PIN);
Led led6(LED_6_PIN);
Button button1(BUTTON_PIN);
LedController ledController(led1, led2, led3, led4, led5, led6, button1);

void setup() { }

void loop() {
    if (button1.isPressed()) {
        ledController.upstate();
        } else {
        ledController.downstate();
        }
}